typedef struct tagMCI_OVLY_SAVE_PARMSW {
    DWORD_PTR   dwCallback;
    LPCWSTR     lpfilename;
    RECT        rc;
} MCI_OVLY_SAVE_PARMSW, *PMCI_OVLY_SAVE_PARMSW, * LPMCI_OVLY_SAVE_PARMSW;

typedef LPMCI_OVLY_SAVE_PARMSW LPMCI_OVLY_SAVE_PARMS;